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Dwyer Instruments 1640-2 Floating Contact Null Switch, 1.0"w.c. to 4.0"w.c. Range, 0.03-0.12 Adjustable Null Span, High and Low Actuation, Visual Setpoint Adjustment, Air and Non Combustible Gases, 10 Psig Pressure Limit, 1/8" Female NPT Connections 1-4" Floating Contact Null Sw.
Product Description
Floating Contact Null Switch, 1.0"w.c. to 4.0"w.c. Range, 0.03-0.12 Adjustable Null Span, High and Low Actuation, Visual Setpoint Adjustment, Air and Non Combustible Gases, 10 Psig Pressure Limit, 1/8" Female NPT Connections
1-4" Floating Contact Null Sw.
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